Elevated conveyer



Aug. 2s, 192s. 682,175-- P, M. HASSLERy ELEVATED C'ONVEYER Filed oct.21, 1927 l AvA Patented Aug. 28, 1928.

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PAUL M. HASSLER, OF FAIRFIELD, IOWA, ASSIGNOR TO THE LOUDEN MACHNERY COMPANY, OF FAIRFIELD, I'OVA, A'CORPORATION OF IOWA.

ELEVATED CONVEYER.

Application led October 21, 1927. Serial No. 227,735.

My invention relates to that class of elevated conveyers which has aseries'of trolleys adapted to run on an elevated trackway for thepurpose` of carrying a load or loads said 5 trolleys being connectedtogether by operated conveying means, such as chains or other similaroperated conveying devices, and it consistsof an improvement in theconnec* tion of the chains or other conveying devices to the trolleyswhereby the trolley frames will be maintained in a more substantiallyvertical position, which will not be affected by any upward or downwardvariations in the trackway nor by the resultingupward or downwardvariations of the conveying mechanism. Also, of other improved featureswhich will be hereafter described and set forth in the claims. y y n Inthe accompanying drawings which form part of this specification, Fig. lis a side elevation of a trolley mounted on a section of a trackwayandhaving chain conveyers con-r nected thereto in ,accordance with myinvention. Fig. 2 is a transverse section onrthe approximately 'verticalline 2-2 of Fig. 1. Fig. 3 ,is the same on the approximatelylhorizontal. line 3-3 of Fig. 11. Fig. 4-is a detail view.y Fig. 5 ishorizontal section of a modified form of my invention which will behereafter explains Y Referring to the drawings, Arepresents the trackwaywhich may be connected to an overheadsupport by hangers in the usualmanner, or in anyotherV manner that may be desired, to. hold thetrackway in an `elevated positiombut neither the hangers nor the supportfor theV track is shown in the drawings. As shown most plainly in Fig.2, `a cross shaped monorail is used for thetrackway, but any otherdesired form of trackway may be rused, whether of amonorail type orcomposed of a number of sections connected together. f f

`The trackway is shown centrally depressed as might be necessary inpassing underv a beam, but portions of it may be otherwise depressed orupwardly extended as maybe necessary to accommodate contingencies. Aportion of the trackway may be horizontally mounted and other portionsmay be depressed or upwardly extended as required but to get the fullbenefit of my invention there should be a difference at one or morepoints in the elevation of the portions of the trackway upon which thetrolleys run.

As stated heretofore, the style of elevated conveyers to which myinvention relates requires a series of trolleys,the upper portions ofwhich may be like that represented by B in the drawings, with conveyingmeans connectmg their lower portions together, such as that shown bythechains C; but as my invention consists essentially of an improvement inthe connections of the conveying means to the trolleys, which will beall substantially alike, it/has not been considered necessary to showmore than one of the trolleys having the conveying means connectedthereto.

Thetrolley B is provided with wheels D adapted to run on opposite edgesof the trackway A but this may be modified to suit re,- quirements. Itis however' preferable that the lower parts E of the trolley frames bemade open so the ends of the adjacent links of the chains C may enterand be pivoted therein. The trolleys should also be provided with hooksF or other means for connecting a load or loads, or a container orcontainers for the same. Outside of these mentioned requirements thetrolleys may be constructed in any manner to suit contingencies.

rlhe conveying chains C are preferably constructed of a series of linksconnected together by vertically disposed pivot part-sG, which arepreferably made tubular, through which, and also through holes in theopen ends of the adjoining links, pivot pins H are passed to-pivotallyconnect the links together. Usually motion is communicated to theconveying chains, to cause the trolleys to run on the trackway,'bypassing the chains around sprocket wheels, the sprockets of which areadapted to engage the vertically disposed portions G of the links of thechains.

vTo connect the chains to the trolleys I form laterally extendedportions I on opposite edges of the part E of the trolley, and placeholes in said extended portions substantially level with each other andat substantially equal distances from the vertical center of lil All

the part E. I also provide tubular parts J, .similar to the verticalpivot portions G of the links of the chains. On one side of thesetubular parts J, I lorin extended portions K each having a hole thereinset at substantially right angles to the h'ole in the tubular part.

I then insert the extended portions K into the openspace in the part E,one on each side, until the holes therein and in the extended portionswill coincide with each other. A coupling pin L is thenplaced in each ofthe coinciding sets ot' holes which will stand in a. horizontalposition,4 so the' parts'- .I can be tilted upward or downward to aCertain extent. 'Ih-e open ends oi. the adjacent link on the riglrt handside, @as shown in Fig. 1) ii not alreadyconnected tothe part .I maythen le" connected by one of the pivot pins H the same as the other openendsI of the links are connected toY the part G.

011' thel otherside', owing to' the way the links stand, it isadvisable' to use a pair of straight connecting pieces M, which beingconnected at one en to the part G of the adjacent link', can have theirother ends connected tothepa-rt- .I on that side by another of the pinsH. If the links of the chain on the left handside of the part E were setin the opposite'- direction the pieces M would not be needed, but it isgenerally prei'erable to use lthese-pieces rather' than to reverse theposition of the links. Then again, it' this was done the pieces IW ortheir equivalents would have to be" used on the right hand side of theadjacent trolley instead of the left hand side of the trolley shown inthe drawl'Il' glhe load which is carried by the hook F or' itssubstitute will naturally hold the trolley in a* substantiallyverticalposition, and the conveying chains being connected to thetrolley as`-s`hown and described, will be free to tilt upward ordownward according to the location of the tracliway without aliectingthe vertical position of the trolley frame. Iheqportions ofl they part Ewhere the connecting' pins L pass through being extended out laterallyadd to its strength and there being two connecting pins, each ain equaldistance from' the vertical center of the part E, tend to balance itbetter than it' there was a single connecting pinpassin-g through thevertical center of the part E.

The modified form shown by Fig. 5 is intended to'be'k a horizontalsection of this modified forni on the same line as that of Fig. 3. Inth-'is form the vpa-rt'E is made solid or without any central openingand is lettered E. The part J ot Fig. l is designated J and hasamodified extension K which has a recess in its center so its extendedsides can pass on each side oi the part E to receive the connecting'pin-L. On the other side is a clip N, the openy ends oii'whiclr lap onthe sides of the part E to receive the connecting pin L., while itscentral portion is passed around the pivot pin H, and in this way theclip N takes the place of the coupling part J which is used on this sideof the part E in Fig. 1.

The portions of E in Fig. 5 through which the coupling pins L pass areextended out laterally the saine4 as they are in the part E in Fig. l,the only material difference being that the part E is widened out andmade open in its center while the part E is made solid. My invention isextremely simple and easily constructed. It is' eeetive inoperation andovercomes defects in similar devices of the prior art. In Figs. l and 2the trolley trame is shown with a swivel between its upper and lowerparts, which is' common construction for trolleys, but when this type oftrolley isy used, it ispreferable that thisswivel be locked so the upperand lowerparts of the-trolley will be held rigidly together.

What I claim as new and desire to secure by Letters vPatent is: 1. Inelevated conveyors, a series of trol?- leys adapted to run on anelevated traekway, each trolley having a loa-d supporting framedepending therefrom and laterally extended portions formed on theopposite edges of said frame below the traekway and in a substantiallyparallel line therewith, and conveying means horizontally pivoted tosaid extended portions of the trolley frame at substantially equaldistances from the vertical center of the trolleVV frame.

2. In e evated conveyers, a series of trolleys adapted to run on anelevated trackway, each trolley having a load 4supporting framedepending therefrom and laterally extended portions formed on theopposite edges of said frame below the trackwa'y and in a substantiallyparallel line `therewith and conveying chains having links vertically'pivoted togeth'er and their"l adjacent ends horizontally pivoted to theextended portions of the trolley frame at substantially equal .distancesfromv the vertical centerof the trolley frames.

3. In elevated conveyers, a series of trol'- leys adapted to run on anelevated trackway, each trolley having agload supporting frame dependingtherefrom, withl an opening inu its lower-portion, in line with thetraiclrway, and laterally extended portions formed on the opposite edgesof said lower portion of the frame, and conveying means horizontallypivoted to said extended portions of the trolley frar'ne atsubstantially equal distances from the vertical centers of the trolleyframe;

4. In elevated conve'y'ers, a series of trolleys adapted to run onelevated trackway, each trolley having a. load supporting framedepending therefrom and laterally extended portions formed on theopposite edges of said 'ran'ie below the trackway and in a substantiallyparallel line therewith and having horizontally disposed holes thereinlocated in a horizontally disposed coupling pins placed in substantiallevel Wit-li each other and at an said coinciding holes, whereby theextended equal distance from the vertical center of portions of thetrolley frame and the adin the trolley frame, conveying means onoppojoining ends of the conveying means Will be F.' site sides of thetrolley frame having holes pivotally coupled together,

adapted to coincide with the holes in the extended portions ot' thetrolley frame, and PAUL M. HASSLER.

